/*
 * Copyright 2002-2018 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.beans.factory.xml;

import org.springframework.beans.factory.FactoryBean;
import org.springframework.tests.sample.beans.TestBean;

/**
 * @author Juergen Hoeller
 */
public class CountingFactory implements FactoryBean {

    private static int factoryBeanInstanceCount = 0;


    public CountingFactory() {
        factoryBeanInstanceCount++;
    }

    /**
     * Clear static state.
     */
    public static void reset() {
        factoryBeanInstanceCount = 0;
    }

    public static int getFactoryBeanInstanceCount() {
        return factoryBeanInstanceCount;
    }

    public void setTestBean(TestBean tb) {
        if (tb.getSpouse() == null) {
            throw new IllegalStateException("TestBean needs to have spouse");
        }
    }


    @Override
    public Object getObject() {
        return "myString";
    }

    @Override
    public Class getObjectType() {
        return String.class;
    }

    @Override
    public boolean isSingleton() {
        return true;
    }

}
